Acid insoluble ash in digestibility trial in rams fed with sugarcane and cassava hay diets

Authors

  • Vivian Prado de Camargo Leão
  • Joel Queiroga Ferreira UESB
  • Mauro Pereira de Figueiredo UESB
  • Anselmo Eloy Silveira Viana UESB
  • Luiz Gustavo Ribeiro Pereira Embrapa

Abstract

This study compared the internal indicator acid insoluble ash (AIA) by total fecal collection method for dry matter (DM) digestibility assay in sugarcane based diets associated with cassava hay. Five Santa Inês non castrated male rams, at18 months old and 40kg of live, body, weight were used. Animals were distributed in a latin square design, with five treatments (0; 25; 50; 75 and 100% of cassava hay DM inclusion in sugarcane diets plus 1% of urea and ammonium sulfate). For apparent dry matter digestibility assay total feces collection and AIA were used. AIA results were inadequate at estimating diets dry matter digestibility coefficient, since it overestimated data obtained by the total feces collection method.

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Author Biographies

Vivian Prado de Camargo Leão

Zootecnista formada pela Fazu-Uberaba, especialista em manejo das pastagense mestra em fitotecnia pela UESB, trabalhou com etologia, ecologia de insetos e comportamento animal

Joel Queiroga Ferreira, UESB

Zotecnista Doutor, professor de bovinocultura-UESB

Mauro Pereira de Figueiredo, UESB

Medico veterinario-Doutor, professor de nutrição animal-UESB

Anselmo Eloy Silveira Viana, UESB

Agronomo-Doutor, Professor de mandiocultura-UESB

Luiz Gustavo Ribeiro Pereira, Embrapa

Medico veterinario-Doutor, Pesquisador de nutrição de ruminantes_ Embrapa-Semi-Árido

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Published

2008-09-23

Issue

Vol. 9 No. 3 (2008)

Section

Animal Nutrition

License

Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons

Licença Creative Commons